found: His Characteristic properties of quasidisks, 1982:t.p. (Frederick W. Gehring, Univ. of Mich.)
found: NLC 9/14/84(AACR 2: Gehring, Frederick W.)
found: Halmos 75th birthday volume, c1991:CIP t.p. (F.W. Gehring)
found: Quasiconformal mappings and analysis, 1997:CIP t.p. (F.W. Gehring) front matter (Frederick William Gehring; b. Aug. 7, 1925)
found: An introduction to the theory of higher-dimensional quasiconformal mappings, 2016:ECIP t.p. (F.W. Gehring) data view (b. August 7, 1925; d. May 29, 2012)